MUSSIER is a playable word

mussy Scrabble® Dictionary

adjective
mussier, mussiest
messy
(adverb) mussily
101 Playable Words can be made from "MUSSIER"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   6-Letter Words (7 found)
   7-Letter Words (3 found)